In article <3d810f73@news.povray.org>,
 "Thorsten Froehlich" <tho### [at] trfde> wrote:

> > So does POV, functions.inc. It is annoying though, confusing to newbies,
> > and slower than a built-in keyword.
> It isn't slower as far as the implementation is concerned.  And parsing
> slowdowns do not really matter for functions.inc in a non-trivial scene.  It
> does keep out a hundred or so keywords however, which is a great benefit for
> everybody who does not happen to be using one of those functions in a
> particular scene.

A user-defined identifier is just as fast to identify and resolve as 
identifying a token? I'm doubtful about that...I wouldn't be surprised 
if the difference is too small to be important, though. It's somewhat 
annoying when you forget to include functions.inc (there have been 
several users with that problem), but it is useable and better than 
integer codes.

-- 
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tagpovrayorg
http://tag.povray.org/

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